Ventilating fan



FIG. 1 is a top perspective view of a ventilating fan;

FIG. 2 is a bottom perspective view of FIG. 1 ;

FIG. 3 is a right side elevation view of FIG. 1 ;

FIG. 4 is a left side elevation view of FIG. 1 ;

FIG. 5 is a bottom plan view of FIG. 1 ;

FIG. 6 is a top perspective view of a ventilating fan showing an alternate embodiment;

FIG. 7 is a bottom perspective view of FIG. 6 ;

FIG. 8 is a bottom plan view of FIG. 6 ;

FIG. 9 is a top plan view of FIG. 6 ;

FIG. 10 is a right side elevation view of FIG. 6 ; and,

FIG. 11 is a left side elevation view of FIG. 6 . 

CLAIM The ornamental design for a ventilating fan, as shown and described. 